/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg:         #f0f4f8;
  --surface:    #ffffff;
  --surface2:   #f8fafc;
  --border:     #e2e8f0;
  --text:       #0f172a;
  --text-muted: #64748b;
  --accent:     #4f46e5;
  --accent-h:   #4338ca;
  --success:    #10b981;
  --warning:    #f59e0b;
  --danger:     #ef4444;
  --info:       #3b82f6;
  --shadow:     rgba(0,0,0,.08);
  --sidebar-w:     240px;
  --sidebar-w-col: 56px;
}
[data-theme="dark"] {
  --bg:         #0f172a;
  --surface:    #1e293b;
  --surface2:   #162032;
  --border:     #334155;
  --text:       #f1f5f9;
  --text-muted: #94a3b8;
  --accent:     #6366f1;
  --accent-h:   #818cf8;
  --shadow:     rgba(0,0,0,.35);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  transition: background .25s, color .25s;
}
a { color: inherit; text-decoration: none; }
code { font-family: monospace; background: var(--surface2); padding: .1em .35em; border-radius: 4px; font-size: .85em; }

/* ── Layout ────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform .25s, background .25s, width .25s ease;
  overflow-y: auto;
  overflow-x: hidden;
}
.main-wrap { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; min-height: 100vh; min-width: 0; overflow-x: hidden; transition: margin-left .25s ease; }

/* ── Sidebar collapsed (desktop) ───────────────────────────── */
.sidebar.collapsed { width: var(--sidebar-w-col); }
.sidebar.collapsed .sidebar-logo { justify-content: center; padding: .875rem .5rem; }
.sidebar.collapsed .nav-item { justify-content: center; gap: 0; }
.sidebar.collapsed .nav-label { display: none; }
.sidebar.collapsed .nav-item .badge {
  position: absolute; top: 4px; right: 4px;
  width: 8px; height: 8px; padding: 0;
  font-size: 0; border-radius: 50; min-width: 0;
}
.main-wrap.sidebar-col { margin-left: var(--sidebar-w-col); }

.sidebar-logo {
  display: flex; align-items: center; gap: .75rem;
  padding: 1.25rem 1rem;
  font-weight: 700; font-size: 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--accent);
}
.sidebar-nav { flex: 1; padding: .75rem 0; }
.nav-item {
  display: flex; align-items: center; gap: .75rem;
  padding: .65rem 1rem;
  border-radius: 8px; margin: .15rem .5rem;
  font-size: .875rem; font-weight: 500;
  color: var(--text-muted);
  cursor: pointer; transition: background .15s, color .15s;
  position: relative;
}
.nav-item:hover { background: var(--surface2); color: var(--text); }
.nav-item.active { background: var(--accent); color: #fff; }
.nav-item.active svg { stroke: #fff; }
.nav-logout { color: var(--danger); }
.nav-logout:hover { background: rgba(239,68,68,.12); color: var(--danger); }
.sidebar-footer { padding: .75rem 0; border-top: 1px solid var(--border); }

.badge {
  font-size: .7rem; font-weight: 700; padding: .15em .5em;
  border-radius: 999px; line-height: 1.4;
  margin-left: auto;
}
.badge-warning { background: var(--warning); color: #fff; }
.badge-danger  { background: var(--danger);  color: #fff; }
.badge-info    { background: var(--info);    color: #fff; }
.badge-success { background: var(--success); color: #fff; }

/* ── Topbar ────────────────────────────────────────────────── */
.topbar {
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 1rem;
  padding: 0 1.5rem;
  position: sticky; top: 0; z-index: 50;
}
.topbar-title { font-weight: 700; font-size: 1rem; flex: 1; }
.menu-btn { display: flex; background: none; border: none; cursor: pointer; color: var(--text); padding: .25rem; border-radius: 6px; }
.menu-btn:hover { background: var(--surface2); }
.icon-btn { background: none; border: 1px solid var(--border); color: var(--text-muted); border-radius: 8px; padding: .4rem; cursor: pointer; display: flex; align-items: center; transition: color .15s; }
.icon-btn:hover { color: var(--text); }
.topbar-actions { display: flex; align-items: center; gap: .5rem; }

/* ── Content ───────────────────────────────────────────────── */
.content { flex: 1; padding: 1.5rem; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px var(--shadow);
}
.card-header {
  display: flex; align-items: center; gap: .5rem;
  padding: .875rem 1rem;
  font-weight: 600; font-size: .875rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface2);
}
.card-header-actions { display: flex; align-items: center; gap: .5rem; margin-left: auto; flex-wrap: wrap; }
.card-body { padding: 1rem; }
.card-body.p0 { padding: 0; }

.alert-warning-header { border-left: 3px solid var(--warning); }
.alert-info-header    { border-left: 3px solid var(--info); }
.alert-danger-header  { border-left: 3px solid var(--danger); }

/* ── Stats grid ────────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1rem;
  box-shadow: 0 1px 3px var(--shadow);
}
.stat-label { font-size: .75rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.stat-value { font-size: 2rem; font-weight: 800; margin-top: .25rem; }
.stat-sub   { font-size: .75rem; color: var(--text-muted); margin-top: .25rem; }
.stat-card.c-success .stat-value { color: var(--success); }
.stat-card.c-warning .stat-value { color: var(--warning); }
.stat-card.c-danger  .stat-value { color: var(--danger); }
.stat-card.c-info    .stat-value { color: var(--info); }

/* ── Two-col layout ────────────────────────────────────────── */
.row-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* Equal-width mailing rows; the hint also opens on keyboard focus/mobile tap. */
#tab-mail .mail-compose-row { grid-template-columns:repeat(2,minmax(0,1fr)); gap:1rem; margin-top:0; margin-bottom:1.25rem; align-items:start; }
#tab-mail .mail-compose-row .form-group { min-width:0; gap:.45rem; }
#tab-mail .mail-compose-row .form-label { margin:0; line-height:1.4; }
#tab-mail .mail-compose-row .form-control { width:100%; max-width:none; min-height:42px; box-sizing:border-box; }
#tab-mail .mail-compose-row .mail-ai-field { align-self:end; }
#tab-mail .mail-compose-row .mail-ai-toggle { margin:0; min-height:42px; padding:.5rem .8rem; box-sizing:border-box; }
.mail-recipient-label { position:relative; display:flex; align-items:center; gap:.4rem; }
.mail-info-wrap { display:inline-flex; }
.mail-info-button { display:inline-flex; align-items:center; border:0; padding:0; background:transparent; color:var(--text-muted); cursor:help; }
.mail-info-button:hover, .mail-info-button:focus-visible { color:var(--accent); }
.mail-info-tooltip { position:absolute; z-index:30; top:calc(100% + .5rem); left:0; width:min(23rem,100%); box-sizing:border-box; padding:.8rem 1rem; border:1px solid var(--border); border-radius:8px; background:var(--surface); color:var(--text); box-shadow:0 8px 24px rgba(0,0,0,.2); font-size:.8rem; font-weight:400; line-height:1.55; visibility:hidden; opacity:0; pointer-events:none; }
.mail-info-wrap:hover .mail-info-tooltip, .mail-info-wrap:focus-within .mail-info-tooltip { visibility:visible; opacity:1; }
@media (max-width:768px) {
  #tab-mail .mail-compose-row { grid-template-columns:minmax(0,1fr); }
}

/* ── Tables ────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.user-seats-summary { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1rem 0; }
.user-seats-form { display: grid; gap: .75rem; }
.user-seats-form input { max-width: 10rem; }
.user-seats-message { margin: .75rem 0; overflow-wrap: anywhere; }
table { width: 100%; border-collapse: collapse; font-size: .825rem; }
th { background: var(--surface2); color: var(--text-muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; padding: .6rem 1rem; text-align: left; white-space: nowrap; border-bottom: 1px solid var(--border); }
td { padding: .6rem 1rem; border-bottom: 1px solid var(--border); white-space: nowrap; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface2); }

/* ── Status pills ──────────────────────────────────────────── */
.pill { display: inline-flex; align-items: center; gap: .3rem; padding: .2em .65em; border-radius: 999px; font-size: .7rem; font-weight: 700; }
.pill-ok       { background: rgba(16,185,129,.15);  color: var(--success); }
.pill-warn     { background: rgba(245,158,11,.15);  color: var(--warning); }
.pill-danger   { background: rgba(239,68,68,.15);   color: var(--danger); }
.pill-info     { background: rgba(59,130,246,.15);  color: var(--info); }
.pill-muted    { background: var(--surface2);       color: var(--text-muted); }

/* ── Buttons ───────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: .4rem; padding: .5rem 1rem; border-radius: 8px; border: none; font-size: .875rem; font-weight: 600; cursor: pointer; transition: background .15s, opacity .15s; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary   { background: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-h); }
.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover:not(:disabled) { background: var(--border); }
.btn-danger    { background: var(--danger); color: #fff; }
.btn-danger:hover:not(:disabled) { opacity: .85; }
.btn-success   { background: var(--success); color: #fff; }
.btn-sm { padding: .3rem .7rem; font-size: .8rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-icon { padding: .35rem .5rem; background: none; border: 1px solid var(--border); border-radius: 6px; cursor: pointer; color: var(--text-muted); transition: color .15s, background .15s; }
.btn-icon:hover { background: var(--surface2); color: var(--text); }
.btn-icon.btn-del:hover, .btn-icon-danger:hover { color: var(--danger); border-color: var(--danger); }
.btn-icon-success { color: var(--success); }
.btn-icon-success:hover { color: #fff; background: var(--success); border-color: var(--success); }
.actions-cell { white-space: nowrap; display: flex; gap: .25rem; align-items: center; }
.form-control-sm { padding: .2rem .4rem; font-size: .8rem; height: auto; }
.copy-email { cursor: pointer; transition: color .15s; border-radius: 3px; }
.copy-email:hover { color: var(--accent); text-decoration: underline; }
.has-tooltip { cursor: help; }
.search-wrap { position: relative; display: inline-flex; align-items: center; }
.search-wrap .form-control { padding-right: 1.6rem; }
.clear-btn {
  position: absolute; right: .3rem;
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: .875rem; line-height: 1;
  padding: .2rem .3rem; border-radius: 4px;
  display: flex; align-items: center; transition: color .15s, background .15s;
}
.clear-btn:hover { color: var(--text); background: var(--surface2); }

/* ── Forms ─────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; }
#tab-general .card-body { line-height: 1.55; }
#tab-general .form-group { gap: .45rem; min-width: 0; }
#tab-general .form-label { margin: 0; line-height: 1.45; }
#tab-general :is(#smtpForm, #mailAiForm, #ntfyForm) > * + * { margin-top: 1.1rem; }
#tab-general :is(#smtpForm, #mailAiForm, #ntfyForm) > :first-child { margin-top: 0; }
.form-label { font-size: .8rem; font-weight: 600; color: var(--text-muted); margin-bottom: .35rem; }
.form-control {
  background: var(--surface2); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); padding: .55rem .75rem; font-size: .875rem;
  transition: border-color .15s; outline: none;
}
.form-control:focus { border-color: var(--accent); }
.form-control-sm { padding: .3rem .6rem; font-size: .8rem; border-radius: 6px; }
select.form-control { cursor: pointer; }

/* ── Alerts ────────────────────────────────────────────────── */
.alert { padding: .75rem 1rem; border-radius: 8px; font-size: .875rem; margin-bottom: 1rem; }
.alert-danger  { background: rgba(239,68,68,.12);  color: var(--danger);  border: 1px solid rgba(239,68,68,.25); }
.alert-success { background: rgba(16,185,129,.12); color: var(--success); border: 1px solid rgba(16,185,129,.25); }
.alert-info    { background: rgba(59,130,246,.12); color: var(--info);    border: 1px solid rgba(59,130,246,.25); }

/* ── Modal ─────────────────────────────────────────────────── */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(15,23,42,.5); backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px); z-index: 200; }
body.modal-open { overflow: hidden; }
.modal-overlay.open { display: block; }
.modal {
  display: none; position: fixed; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  width: 90%; max-width: 420px; z-index: 201; box-shadow: 0 25px 60px rgba(0,0,0,.4);
}
.modal.open { display: block; }
.modal-header { padding: 1.25rem 1.25rem .75rem; font-weight: 700; font-size: 1rem; }
.modal-body   { padding: 0 1.25rem 1rem; color: var(--text-muted); font-size: .875rem; line-height: 1.6; }
.modal.modal-wide .modal-body { max-height: 70vh; overflow: auto; }
.modal-footer { padding: .75rem 1.25rem 1.25rem; display: flex; justify-content: flex-end; gap: .75rem; }

/* ── Skeleton ──────────────────────────────────────────────── */
.skeleton { animation: shimmer 1.5s infinite; min-height: 100px; border-radius: 12px; border: 1px solid var(--border); }
@keyframes shimmer {
  0%   { background: var(--surface2); }
  50%  { background: var(--border); }
  100% { background: var(--surface2); }
}
.loading { color: var(--text-muted); font-size: .875rem; text-align: center; }

/* ── Anomalies actions bar ─────────────────────────────────── */
.anomaly-actions { display: flex; gap: .75rem; flex-wrap: wrap; }

/* ── Backup list table ─────────────────────────────────────── */
.backup-list-item td { font-size: .8rem; }

/* ── Expandable rows ───────────────────────────────────────── */
.td-expand { width: 28px; text-align: center; }
.expand-icon {
  display: inline-block;
  font-size: .7rem;
  color: var(--text-muted);
  transition: transform .2s ease, color .15s;
  line-height: 1;
  pointer-events: none;
}
tr.row-expandable { cursor: pointer; }
tr.row-expandable:hover .expand-icon { color: var(--accent); }
tr.row-expand-content > td { background: var(--surface2); }
.sub-orders-wrap {
  padding: .625rem 1rem .75rem 2.25rem;
  border-left: 3px solid var(--accent);
}
table.sub-orders-table { width: 100%; font-size: .8rem; border-collapse: collapse; }
table.sub-orders-table th,
table.sub-orders-table td { padding: .35rem .6rem; border-bottom: 1px solid var(--border); }
table.sub-orders-table thead th { color: var(--text-muted); font-weight: 600; font-size: .72rem; text-transform: uppercase; letter-spacing: .03em; }
table.sub-orders-table tbody tr:last-child td { border-bottom: 0; }

/* ── Pagination ────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: .875rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--surface2);
}
.page-info, .pagination-info {
  font-size: .875rem;
  color: var(--text-muted);
  white-space: nowrap;
}
.page-total { opacity: .7; }

/* ── Code column — truncate long activation codes ──────────── */
.col-truncate { max-width: 130px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.th-narrow, td.td-narrow,
th[data-col="activation"], th[data-col="status"] { padding-left: .35rem; padding-right: .35rem; text-align: center; white-space: nowrap; }

/* ── Modal wide variant (email list) ───────────────────────── */
.modal.modal-wide { max-width: 580px; }
.modal.modal-preview { width: min(1100px, 94vw); max-width: 1100px; }
.modal.modal-preview .modal-body { max-height: 72vh; overflow: auto; }
.mail-format-hint { color: var(--text-muted); font-size: .78rem; margin-top: .35rem; }
.mail-text-preview {
  min-height: 320px; max-height: 58vh; overflow: auto; white-space: pre-wrap;
  overflow-wrap: anywhere; font: .9rem/1.55 'Segoe UI', system-ui, sans-serif;
  color: var(--text); background: var(--surface2); padding: 1rem;
  border-radius: 8px; border: 1px solid var(--border);
}
.mail-html-preview {
  display: block; width: 100%; min-height: 480px; height: 58vh;
  background: #fff; border: 1px solid var(--border); border-radius: 8px;
}
.mail-progress {
  height: 7px; margin-bottom: .35rem; overflow: hidden;
  background: var(--surface2); border: 1px solid var(--border); border-radius: 999px;
}
.mail-progress > span {
  display: block; height: 100%; min-width: 0;
  background: linear-gradient(90deg, var(--accent), var(--success));
  border-radius: inherit; transition: width .25s ease;
}
.mail-campaign-error {
  max-width: 320px; margin-bottom: .25rem; color: var(--danger);
  font-size: .72rem; line-height: 1.3; overflow-wrap: anywhere;
}
.mail-ai-toggle {
  display: flex; align-items: center; gap: .65rem; width: 100%; min-height: 42px;
  padding: .65rem .8rem; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface2); cursor: pointer; font-size: .86rem;
}
.mail-ai-toggle input { width: 18px; height: 18px; accent-color: var(--accent); }
.mail-options-row { margin-top: .65rem; align-items: end; }
.mail-options-row .form-group { min-width: 0; }
.mail-options-row .mail-ai-toggle { margin-top: 1.15rem; }
.mail-prepare-steps { margin: .8rem 0 1rem; padding-left: 1.4rem; max-height: 42vh; overflow: auto; }
.mail-prepare-steps li { margin: .5rem 0; line-height: 1.4; }
.mail-prepare-steps time { color: var(--text-muted); font-size: .78rem; margin-right: .35rem; }
.mail-prepare-elapsed { display: block; color: var(--text-muted); border-top: 1px solid var(--border); padding-top: .6rem; }
.mail-preview-toolbar {
  display: flex; justify-content: space-between; gap: .75rem; align-items: center;
  flex-wrap: wrap; margin-bottom: .75rem;
}
.mail-preview-languages, .mail-preview-modes { display: flex; gap: .4rem; flex-wrap: wrap; }
.mail-preview-meta { color: var(--text-muted); font-size: .8rem; margin-bottom: .65rem; }
.mail-preview-subject {
  display: grid; gap: .2rem; padding: .75rem 1rem; margin-bottom: .75rem;
  border: 1px solid var(--border); border-radius: 8px; background: var(--surface2);
}
.mail-preview-subject small { color: var(--text-muted); text-transform: uppercase; font-size: .68rem; }

/* ── Fakturowanie — kontrolki okresu i paginacji ────────────── */
.inv-controls {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}
.inv-period-btns { display: flex; gap: .5rem; flex-wrap: wrap; }
.inv-period-btn { transition: background .15s, color .15s, border-color .15s; }
.inv-period-btn.inv-period-active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.inv-custom-range {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}
.inv-per-page { display: flex; align-items: center; gap: .5rem; margin-left: auto; }

.inv-actions-bar {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: .75rem;
}
.inv-period-label {
  font-size: .8rem;
  color: var(--text-muted);
}

/* Checkbox styling in invoice table */
.inv-check {
  width: 15px;
  height: 15px;
  cursor: pointer;
  accent-color: var(--accent);
}
/* Klikalny NIP EU — weryfikacja VIES */
.btn-vies-check {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-size: .78rem;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline dotted;
  text-underline-offset: 2px;
}
.btn-vies-check:hover { color: var(--accent-hover, var(--accent)); text-decoration: underline; }
.btn-vies-check:disabled { opacity: .5; cursor: wait; }

/* Wiersz z już wystawioną fakturą */
tr.inv-row-invoiced {
  opacity: .7;
}
tr.inv-row-invoiced td:first-child {
  opacity: .4;
}

/* ── Kafelki statystyk Fakturowanie ────────────────────────── */
.inv-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.inv-stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.inv-stat-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem;
}
.inv-stat-label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
}
.inv-stat-range {
  font-size: .72rem;
  color: var(--text-muted);
  white-space: nowrap;
}
.inv-stat-total {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  padding: .5rem .6rem;
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid var(--border);
}
.inv-stat-total-cnt {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.inv-stat-total-cnt small,
.inv-stat-total-sum small {
  font-size: .65rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: .2rem;
}
.inv-stat-total-sum {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-left: auto;
}
.inv-stat-rows {
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.inv-stat-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .78rem;
  padding: .2rem 0;
  border-bottom: 1px solid var(--border);
}
.inv-stat-row:last-child { border-bottom: none; }
.inv-stat-prod-name {
  flex: 1;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.inv-stat-prod-cnt {
  font-weight: 600;
  color: var(--text);
  min-width: 2rem;
  text-align: right;
}
.inv-stat-prod-sum {
  color: var(--text-muted);
  min-width: 5rem;
  text-align: right;
}
.inv-stat-empty {
  font-size: .78rem;
  color: var(--text-muted);
  text-align: center;
  padding: .5rem 0;
}
@media (max-width: 600px) {
  .inv-stats-grid { grid-template-columns: 1fr; }
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open, .sidebar.open.collapsed { transform: translateX(0); width: var(--sidebar-w); box-shadow: 8px 0 30px rgba(0,0,0,.3); }
  .sidebar.open.collapsed .nav-label { display: inline; }
  .sidebar.open.collapsed .nav-item { justify-content: flex-start; gap: .75rem; }
  .sidebar.open.collapsed .sidebar-logo { justify-content: flex-start; padding: 1.25rem 1rem; }
  .main-wrap, .main-wrap.sidebar-col { margin-left: 0; }
  .row-2col { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .card-header { flex-wrap: wrap; }
  .card-header-actions { flex-wrap: wrap; width: 100%; margin-left: 0; margin-top: .5rem; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .content { padding: 1rem .75rem; }
}

/* ── Strona logowania ───────────────────────────────────────── */
body.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  height: 100dvh;
  overflow: hidden;
  padding: 1rem;
  box-sizing: border-box;
}
.login-wrap {
  width: 100%;
  max-width: 400px;
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 8px 32px rgba(0,0,0,.25);
}
.login-logo {
  text-align: center;
  margin-bottom: 1.75rem;
}
.login-logo h1 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: .6rem 0 .25rem;
  color: var(--text);
}
.login-logo p {
  font-size: .8rem;
  color: var(--text-muted);
  margin: 0;
}
.login-theme-btn {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 10;
}
.mail-campaign-table { table-layout:fixed; width:100%; min-width:860px; }
.mail-campaign-table th:nth-child(1) { width:115px; }
.mail-campaign-table th:nth-child(3) { width:150px; }
.mail-campaign-table th:nth-child(4) { width:165px; }
.mail-campaign-table th:nth-child(5) { width:65px; }
.mail-campaign-table th:nth-child(6) { width:220px; }
.mail-campaign-table td { overflow-wrap:anywhere; white-space:normal; }
.mail-campaign-table .badge { white-space:normal; }
.mail-campaign-actions { display:flex; flex-wrap:wrap; gap:.4rem; align-items:center; }
.mail-campaign-table td:nth-child(5) { text-align:center; }
.mail-warning-icon { display:inline-flex; color:var(--danger); cursor:help; }